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Mixed layer modeling of aerosols in the marine boundary layer (May 1982)



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Author: Davidson, K.L. (Kenneth LaVern);Fairall, C.W. (Christopher W.);Schacher, G.E. (Gordon Everett)
Subject: UNITED STATES. MARINE CORPS--WEAPONS SYSTEMS--TESTING.; AMMUNITION--TESTING.; AERIAL GUNNERY.; TANKS (MILITARY SCIENCE); A-10 (JET ATTACK PLANE); WEAPONS SYSTEMS--TESTING.
Publisher: Monterey, California : Naval Postgraduate School
Language: en_US
Call number: ocm80023903
Digitizing sponsor: Naval Postgraduate School, Dudley Knox Library
Book contributor: Naval Postgraduate School, Dudley Knox Library
Collection: navalpostgraduateschoollibrary; fedlink; americana
Notes: some content may be lost due to the binding of the book.

Full catalog record: MARCXML

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Description

"NPS-63-82-002"--Cover

Cover title

"May 1982"--Cover

"Prepared for: Naval Ocean Systems Center, San DIego, California 92152."

Includes bibliographical references (p. 45-46)

Technical report; 1982

A mixed layer dynamic model for the structure and evolution of aerosols in the marine regime is presented. The ambient aerosol spectrum is divided into the continental and sea salt components and transformed to a reference saturation ratio, S = 0.8 (80% relative humidity). The temporal evolution of the aerosol spectrum is predicted from rate equations which require a specification of the surface production rate, the entrainment rate, (W(e)) and the mixed layer depth (h). The model was tested against a marine data set obtained off Southern California during the CEWCOM-78 experiment. The test was with two different methods of obtaining the relevant meteorological and aerosol parameters: (1) actual measurements and (2) dynamic boundary layer model prediction and parameterization. In the first case the model reproduced the aerosol data within a factor of 1.5 while in the second case the uncertainty factor was 2.0. In either case the model only modestly outperforms the much simpler Wells-Munn-Katz (WMK) model, which uses only local specification of the wind speed and humidity. Suggested improvements of the mixed layer model are presented. (Author)

ck/ 4/15/09

Gutted record reput. 12/10/97. dln. Notis number: AAA7670XP


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Format.extent: 51 p. : ill. ; 28 cm.
Identifier.oclc: ocm80023903
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Description.sponsorship: Prepared for: Naval Ocean Systems Center, San DIego, California 92152.
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